Top 100 eCommerce Marketing Agencies in California
The Best of November 2026Looking for a top eCommerce marketing agency in California?
In the business-to-business (B2B) sector, eCommerce marketing agencies are essential partners for businesses seeking to maximize their online sales and growth potential. By collaborating with eCommerce marketing agencies, businesses can optimize their digital marketing efforts, improve their conversion rates, and achieve sustainable growth in the rapidly evolving eCommerce landscape.
To assist you in your search for a partner, we’ve compiled this list of the top eCommerce marketing companies in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
Jump to Most Reviewed Companies
List of the Best California eCommerce Marketing Services
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61$1,000+50 - 249 employeesSanta Clara, CABased in Santa Clara, California, NTD Digital is a social media marketing company. They specialize in Social Media Marketing and Email Marketing.Read More
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62Undisclosed2 - 9 employeesLaguna Beach, CAEcom Vertue is an Ecommerce Marketing company. Headquartered in Laguna Beach, California, the team focuses on Ecommerce Marketing and Branding.Read More
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63$5,000+2 - 9 employeesIrvine, CAPlaid Testing, a Fractional CMO Services company, was established in 2024. The firm focuses on Fractional CMO Services and Ecommerce Marketing, and is small.Read More
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64$1,000+2 - 9 employeesSan Diego, CACessna Marketing is a small San Diego, California-based Ecommerce Marketing company. The team focuses on Ecommerce Marketing and Web Design.Read More
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65$1,000+10 - 49 employeesBeverly Hills, CADiscoverMyBusiness is a PPC agency. They are headquartered in New York, New York; London, England; Madrid, Spain and Beverly Hills, California and have a small team. Their services include Pay Per Click, Search Engine Optimization, Other Digital Marketing, Social Media Marketing, and more.Read More
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66$25,000+10 - 49 employeesLarkspur, CATerrace Consulting, Inc. Is a small ERP consulting and SI company headquartered in Larkspur, California. Their services include ERP consulting and SI and Custom Software Development.Read More
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67$5,000+10 - 49 employeesCosta Mesa, CADigital Throttle LLC is a social media marketing company founded in 2009. The agency focuses on Social Media Marketing and Pay Per Click, and is small.Read More
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68$5,000+10 - 49 employeesLos Angeles, CAThe Darl, a branding agency, offer Branding and Digital Strategy. They were launched in 2019.Read More
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69$1,000+10 - 49 employeesPoway, CATurnKey Product Management is a social media marketing company based in Poway, California. Established in 2014, the team offers Social Media Marketing and Email Marketing.Read More
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70$1,000+2 - 9 employeesLos Angeles, CARuerue is a branding firm. Founded in 2024, the team provides Branding and Ecommerce Marketing. The agency is based in Los Angeles, California.Read More
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71$5,000+10 - 49 employeesLos Angeles, CASB Digital Agency is a Los Angeles, California-based Digital Strategy company. They specialize in Digital Strategy and Social Media Marketing.Read More
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72$1,000+2 - 9 employeesClovis, CALaunched in 2017, DigitSilk is a social media marketing firm. The team specializes in Social Media Marketing and Web Design.Read More
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73$5,000+2 - 9 employeesWest Hollywood, CAUniverseAR, an Advertising company, was launched in 2019. They focuses on Advertising and Graphic Design.Read More
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74Undisclosed10 - 49 employeesCorona, CAEcom Hike is a. Their small team is headquartered in Eastvale, California and provides. The company was launched in 2014.Read More
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75$1,000+50 - 249 employeesLos Angeles, CALocated in Los Angeles, California, FBA Listing Optimization is a midsize SEO services firm. Their services include Search Engine Optimization and Pay Per Click.Read More
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76$1,000+250 - 999 employeesWest Hollywood, CABased in West Hollywood, California, The Rocket Retail is an e-commerce development firm. Founded in 2016, the midsize team specializes in E-Commerce Development, Back Office Outsourcing, Content Marketing, Search Engine Optimization, and more.Read More
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77$1,000+2 - 9 employeesSan Francisco, CABased in San Francisco, California, Commerce Media Studio is an Ecommerce Marketing company. They provide Ecommerce Marketing and Search Engine Optimization.Read More
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78$25,000+50 - 249 employeesBeverly Hills, CAOURACO is a Marketing Strategy company established in 2008. The team provides Marketing Strategy and Digital Strategy.Read More
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79$5,000+10 - 49 employeesSan Diego, CACampaign Creators is a SEO services firm. The San Diego, California-based team focuses on Search Engine Optimization and Web Design.Read More
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80$1,000+10 - 49 employeesSan Diego, CABranding company Rank N Bank focuses on Branding and Content Marketing. They are based in San Diego, California.Read More
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81Undisclosed10 - 49 employeesLos Angeles, CASlake Marketing is a branding agency. They are based in Los Angeles, California, and their services include Branding and Social Media Marketing.Read More
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82$1,000+2 - 9 employeesIrvine, CAKnewChoice Inc is an Irvine, California-based social media marketing agency. The team offers Social Media Marketing and Conversion Optimization.Read More
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83$1,000+2 - 9 employeesGlendale, CAPR Register is a social media marketing firm. In Glendale, California, the firm was launched in 2020. Their services include Social Media Marketing and Search Engine Optimization.Read More
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84$5,000+10 - 49 employeesWest Hollywood, CAEstablished in 2022, Wheels Agency is a small social media marketing firm located in West Hollywood, California. Their team focuses on Social Media Marketing and Affiliate Marketing.Read More
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85$1,000+10 - 49 employeesLong Beach, CAThe Amazon Xperts is a Long Beach, California-based Digital Strategy company. They provide Digital Strategy and Search Engine Optimization and were launched in 2021.Read More
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86$75,000+10 - 49 employeesLos Angeles, CALaunched in 2023, EcomMás is a social media marketing company. Located in Bogotá, Colombia and Los Angeles, California, the team focuses on Social Media Marketing and Corporate Photography.Read More
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87Undisclosed10 - 49 employeesLos Angeles, CASmall Back Office Outsourcing company Aurexis Global Commerce, is located in Los Angeles, California and Lahore, Pakistan. They offer Back Office Outsourcing, Business Consulting, and Ecommerce Marketing and were founded in 2026.Read More
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Time Warp Treasures1Industries
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88$100,000+50 - 249 employeesDel Mar, CAPPC agency 85SIXTY offers Pay Per Click and Other Digital Marketing. They were founded in 2010.Read More
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89$25,000+50 - 249 employeesSan Francisco, CAReady Set is a Performance Marketing company. The San Francisco, California-based agency was founded in 2019. Their services include Performance Marketing and Advertising.Read More
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DoorDashIndustries
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90$10,000+50 - 249 employeesNewport Beach, CABased in Newport Beach, California, Shopify Ecom Solutions is an e-commerce development company. Their services include E-Commerce Development and Web Design.Read More
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